From 72c32b3498c604baf9e4c2f614ce44f90ab5a2a5 Mon Sep 17 00:00:00 2001
From: Calixte Denizet <calixte.denizet@gmail.com>
Date: Mon, 21 Jun 2021 17:26:29 +0200
Subject: [PATCH] XFA - A prototype can have a property which needs itself to
 resolve a proto

---
 src/core/xfa/xfa_object.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/core/xfa/xfa_object.js b/src/core/xfa/xfa_object.js
index 07e1700b4..c99e537d5 100644
--- a/src/core/xfa/xfa_object.js
+++ b/src/core/xfa/xfa_object.js
@@ -491,14 +491,16 @@ class XFAObject {
     }
 
     ancestors.add(proto);
+
     // The prototype can have a "use" attribute itself.
     const protoProto = proto[_getPrototype](ids, ancestors);
-    if (!protoProto) {
-      ancestors.delete(proto);
-      return proto;
+    if (protoProto) {
+      proto[_applyPrototype](protoProto, ids, ancestors);
     }
 
-    proto[_applyPrototype](protoProto, ids, ancestors);
+    // The prototype can have a child which itself has a "use" property.
+    proto[$resolvePrototypes](ids, ancestors);
+
     ancestors.delete(proto);
 
     return proto;